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Minor earthquake, 2.8 mag strikes near Alaska



Earthquake location 55.6486S, -149.3039WA minor earthquake magnitude 2.8 (ml/mb) has struck on Saturday, Gulf of Alaska (0 miles). Exact location of event, longitude -149.3039 West, latitude 55.6486 North, depth = 2.2 km. The earthquake occurred at a depth of 2.2 km (1 miles) below the earth’s surface. Event id: ak18744834. Ids that are associated to the earthquake: ak18744834. Exact time and date of earthquake 17/03/18 / 2018-03-17 19:49:38 / March 17, 2018 @ 7:49 pm UTC/GMT. The temblor was reported at 19:49:38 / 7:49 pm (local time epicenter).

There are an estimated 1,300,000 minor earthquakes in the world each year. In the past 24 hours, there have been nineteen, in the last 10 days one hundred and sixty-four, in the past 30 days six hundred and sixty-eight and in the last 365 days two thousand, seven hundred and eighty-two earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage.

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What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: Gulf of Alaska.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -149.3039° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 55.6486° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 2.2 km Depth of the event in kilometers.
Place Gulf of Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-03-17 19:49:38 Time when the event occurred. UTC/GMT
Updated 2018-03-24 01:05:28 Time when the event was most recently updated. UTC/GMT
Timezone offset Timezone offset from UTC in minutes at the event epicenter.
Felt The total number of felt reports
CDI The maximum reported intensity for the event.
MMI The maximum estimated instrumental intensity for the event.
Alert Level The alert level from the PAGER earthquake impact scale. Green, Yellow, Orange or Red.
Review Status reviewed Indicates whether the event has been reviewed by a human.
Tsunami 0 This flag is set to "1" for large events in oceanic regions and "0" otherwise. The existence or value of this flag does not indicate if a tsunami actually did or will exist.
SIG 121 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network ak The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,ak, A comma-separated list of network contributors.
Number of Stations Used The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.47 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type ml The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID ak18744834 Id of event.
Event Code 18744834 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak18744834, A comma-separated list of event ids that are associated to an event.

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